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cli: fix list-themes preview lifecycle

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Start the vaxis event loop so the theme preview can receive terminal
input, and retain its environment map for as long as vaxis may access
it.
This commit is contained in:
Jon Parise
2026-07-26 09:52:42 -04:00
parent a60cd15bb5
commit d320cd7df2
1 changed files with 9 additions and 5 deletions
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14
src/cli/list_themes.zig
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@@ -241,6 +241,7 @@ const Preview = struct {
allocator: std.mem.Allocator,
should_quit: bool,
tty: vaxis.Tty,
env_map: std.process.Environ.Map,
vx: vaxis.Vaxis,
mouse: ?vaxis.Mouse,
themes: []ThemeListElement,
@@ -264,16 +265,15 @@ const Preview = struct {
theme_filter: ColorScheme,
buf: []u8,
) !*Preview {
var env_map = try global.environMap();
defer env_map.deinit();
const self = try allocator.create(Preview);
errdefer allocator.destroy(self);
self.* = .{
.allocator = allocator,
.should_quit = false,
.tty = try .init(global.io(), buf),
.vx = try vaxis.init(global.io(), allocator, &env_map, .{}),
.env_map = try global.environMap(),
.vx = undefined,
.mouse = null,
.themes = themes,
.filtered = try .initCapacity(allocator, themes.len),
@@ -285,6 +285,7 @@ const Preview = struct {
.text_input = .init(allocator),
.theme_filter = theme_filter,
};
self.vx = try vaxis.init(global.io(), allocator, &self.env_map, .{});
try self.updateFiltered();
@@ -296,14 +297,17 @@ const Preview = struct {
self.filtered.deinit(allocator);
self.text_input.deinit();
self.vx.deinit(allocator, self.tty.writer());
self.env_map.deinit();
self.tty.deinit();
allocator.destroy(self);
}
pub fn run(self: *Preview) !void {
var loop: vaxis.Loop(Event) = .init(global.io(), &self.tty, &self.vx);
const writer = self.tty.writer();
try loop.start();
defer loop.stop();
const writer = self.tty.writer();
try self.vx.enterAltScreen(writer);
try self.vx.setTitle(writer, "👻 Ghostty Theme Preview 👻");
try self.vx.queryTerminal(writer, .fromSeconds(1));